The report must be submitted ___ Friday.
Answer and explanation
Correct answer: C. by
'By' gives a deadline.
Answer: by.
Why not the others: until: 'until' shows how long something continues. since: 'since' needs a starting point. during: 'during' does not give a deadline.
Answer: by.
Why not the others: until: 'until' shows how long something continues. since: 'since' needs a starting point. during: 'during' does not give a deadline.
Practise more Grammar and usage.
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